Direct Immunofluorescence Staining Patterns in Blistering Disorders

Review the PDF of the fact sheet on Direct Immunofluorescence Staining Patterns in Blistering Disorders with board-relevant, easy-to-review material. This fact sheet reviews the dermatologic conditions that typically have positive immunofluorescence staining patterns.

Practice Questions

1. Which autoimmune blistering disease shows deposition of immunoglobulin on the floor of salt-split skin?

a. BP
b. dermatitis herpetiformis
c. epidermolysis bullosa acquisita
d. paraneoplastic pemphigus
e. PV

2. What medicine is commonly implicated in drug-induced pemphigus?

a. acetaminophen
b. amoxicillin
c. naproxen
d. penicillamine
e. penicillin

3. Which autoimmune blistering disease predominantly shows deposition of IgG on DIF?

a. dermatitis herpetiformis
b. IgA pemphigus
c. linear IgA bullous dermatosis
d. paraneoplastic pemphigus
e. porphyria cutanea tarda

4. Which of the following diseases has a negative direct immunofluorescence?

a. dermatitis herpetiformis
b. herpes gestationis
c. pemphigus vulgaris
d. porphyria cutanea tarda
e. transient acantholytic dermatosis

5. Which of the following diseases shows a linear deposition of IgG and C3 along the dermoepidermal junction?

a. CP
b. IgA pemphigus
c. PF
d. porphyria cutanea tarda
e. PV

Answers to practice questions provided on next page

Practice Question Answers

1. Which autoimmune blistering disease shows deposition of immunoglobulin on the floor of salt-split skin?
a. BP
b. dermatitis herpetiformis
c. epidermolysis bullosa acquisita
d. paraneoplastic pemphigus
e. PV

2. What medicine is commonly implicated in drug-induced pemphigus?
a. acetaminophen
b. amoxicillin
c. naproxen
d. penicillamine
e. penicillin

3. Which autoimmune blistering disease predominantly shows deposition of IgG on DIF?
a. dermatitis herpetiformis
b. IgA pemphigus
c. linear IgA bullous dermatosis
d. paraneoplastic pemphigus
e. porphyria cutanea tarda

4. Which of the following diseases has a negative direct immunofluorescence?
a. dermatitis herpetiformis
b. herpes gestationis
c. pemphigus vulgaris
d. porphyria cutanea tarda
e. transient acantholytic dermatosis

5. Which of the following diseases shows a linear deposition of IgG and C3 along the dermoepidermal junction?
a. CP
b. IgA pemphigus
c. PF
d. porphyria cutanea tarda
e. PV

Review the PDF of the fact sheet on Direct Immunofluorescence Staining Patterns in Blistering Disorders with board-relevant, easy-to-review material. This fact sheet reviews the dermatologic conditions that typically have positive immunofluorescence staining patterns.

Practice Questions

1. Which autoimmune blistering disease shows deposition of immunoglobulin on the floor of salt-split skin?

a. BP
b. dermatitis herpetiformis
c. epidermolysis bullosa acquisita
d. paraneoplastic pemphigus
e. PV

2. What medicine is commonly implicated in drug-induced pemphigus?

a. acetaminophen
b. amoxicillin
c. naproxen
d. penicillamine
e. penicillin

3. Which autoimmune blistering disease predominantly shows deposition of IgG on DIF?

a. dermatitis herpetiformis
b. IgA pemphigus
c. linear IgA bullous dermatosis
d. paraneoplastic pemphigus
e. porphyria cutanea tarda

4. Which of the following diseases has a negative direct immunofluorescence?

a. dermatitis herpetiformis
b. herpes gestationis
c. pemphigus vulgaris
d. porphyria cutanea tarda
e. transient acantholytic dermatosis

5. Which of the following diseases shows a linear deposition of IgG and C3 along the dermoepidermal junction?

a. CP
b. IgA pemphigus
c. PF
d. porphyria cutanea tarda
e. PV

Answers to practice questions provided on next page

Practice Question Answers

1. Which autoimmune blistering disease shows deposition of immunoglobulin on the floor of salt-split skin?
a. BP
b. dermatitis herpetiformis
c. epidermolysis bullosa acquisita
d. paraneoplastic pemphigus
e. PV

2. What medicine is commonly implicated in drug-induced pemphigus?
a. acetaminophen
b. amoxicillin
c. naproxen
d. penicillamine
e. penicillin

3. Which autoimmune blistering disease predominantly shows deposition of IgG on DIF?
a. dermatitis herpetiformis
b. IgA pemphigus
c. linear IgA bullous dermatosis
d. paraneoplastic pemphigus
e. porphyria cutanea tarda

4. Which of the following diseases has a negative direct immunofluorescence?
a. dermatitis herpetiformis
b. herpes gestationis
c. pemphigus vulgaris
d. porphyria cutanea tarda
e. transient acantholytic dermatosis

5. Which of the following diseases shows a linear deposition of IgG and C3 along the dermoepidermal junction?
a. CP
b. IgA pemphigus
c. PF
d. porphyria cutanea tarda
e. PV

Review the PDF of the fact sheet on Direct Immunofluorescence Staining Patterns in Blistering Disorders with board-relevant, easy-to-review material. This fact sheet reviews the dermatologic conditions that typically have positive immunofluorescence staining patterns.

Practice Questions

1. Which autoimmune blistering disease shows deposition of immunoglobulin on the floor of salt-split skin?

a. BP
b. dermatitis herpetiformis
c. epidermolysis bullosa acquisita
d. paraneoplastic pemphigus
e. PV

2. What medicine is commonly implicated in drug-induced pemphigus?

a. acetaminophen
b. amoxicillin
c. naproxen
d. penicillamine
e. penicillin

3. Which autoimmune blistering disease predominantly shows deposition of IgG on DIF?

a. dermatitis herpetiformis
b. IgA pemphigus
c. linear IgA bullous dermatosis
d. paraneoplastic pemphigus
e. porphyria cutanea tarda

4. Which of the following diseases has a negative direct immunofluorescence?

a. dermatitis herpetiformis
b. herpes gestationis
c. pemphigus vulgaris
d. porphyria cutanea tarda
e. transient acantholytic dermatosis

5. Which of the following diseases shows a linear deposition of IgG and C3 along the dermoepidermal junction?

a. CP
b. IgA pemphigus
c. PF
d. porphyria cutanea tarda
e. PV

Answers to practice questions provided on next page

Practice Question Answers

1. Which autoimmune blistering disease shows deposition of immunoglobulin on the floor of salt-split skin?
a. BP
b. dermatitis herpetiformis
c. epidermolysis bullosa acquisita
d. paraneoplastic pemphigus
e. PV

2. What medicine is commonly implicated in drug-induced pemphigus?
a. acetaminophen
b. amoxicillin
c. naproxen
d. penicillamine
e. penicillin

3. Which autoimmune blistering disease predominantly shows deposition of IgG on DIF?
a. dermatitis herpetiformis
b. IgA pemphigus
c. linear IgA bullous dermatosis
d. paraneoplastic pemphigus
e. porphyria cutanea tarda

4. Which of the following diseases has a negative direct immunofluorescence?
a. dermatitis herpetiformis
b. herpes gestationis
c. pemphigus vulgaris
d. porphyria cutanea tarda
e. transient acantholytic dermatosis

5. Which of the following diseases shows a linear deposition of IgG and C3 along the dermoepidermal junction?
a. CP
b. IgA pemphigus
c. PF
d. porphyria cutanea tarda
e. PV